Casitas Dam, California, USA

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Quick Facts About Casitas Dam

Location: Ventura, California
Coordinates: 34.3714, -119.3353
River: Coyote Creek River
Primary Purpose: Irrigation
Type: Earth
Commissioned: 1959
Dam Height: 334 ft (102 m)
Dam Length: 2,000 ft (610 m)
Dam Capacity: 283,727 acre-ft (349,972 Ml)
Condition Assessment: Not Available

Casitas Dam Map

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Casitas Dam Information

Casitas Dam is an earthen embankment dam located about 2 miles from Foster Park, Ventura, California.

The dam, which is on the Coyote Creek River, was primarily built for Irrigation purposes, but also serves for Recreation and Water Supply benefits.

The dam was designed by and commissioned in 1959 and is currently owned by US Bureau of Reclamation.

Casitas Dam Structure

The Casitas Dam is approximately 2,000 feet (610 m) long, 334 feet (102 m) high and has a structural volume of 9,310,000 cubic yards (7,118,007 cubic metres).

Casitas Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 250,835 acre-ft (309,400 Ml) and maximum capacity of 283,727 acre-ft (349,972 Ml).

The surface area of the reservoir is 2,720 acres (1,101 ha) and the total catchment area is 39 square miles (101 square kilometres).

Casitas Dam Spillway

The dam has a 50 feet (15 m) wide uncontrolled spillway with a maximum discharge capacity of 7400 cubic feet per second (210 cubic metres per second).

Casitas Dam Compared to Four Famous American Dams

Casitas Dam
Ventura, California
Hoover Dam
Clark County, Nevada
Grand Coulee Dam
Okanogan County, Washington
Theodore Roosevelt Dam
Maricopa County, Arizona
Glen Canyon Dam
Coconino County, Arizona
Height (ft) 334 730 550 357 216
Length (Ft) 2,000 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 283,727 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 39 167,800 74,100 3,611 108,355

Casitas Dam Weather

Current Conditions at Casitas Dam

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7-Day Forecast for Casitas Dam

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Casitas Dam Frequently Asked Questions

In which state is the Casitas Dam?

Casitas Dam is in California.

In which county is the Casitas Dam?

Casitas Dam is in Ventura County.

How high is the Casitas Dam?

Casitas Dam is 334 feet high.

How long is the Casitas Dam?

Casitas Dam is 2,000 feet long.

Condition Assessment Classification

Satisfactory

No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.

Fair

No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum

Poor

A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.

Unsatisfactory

A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.

Not Rated

The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.

Not Available

Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High

Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.

Significant

Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.

Low

Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner’s property.

Undetermined

Dams for which a downstream hazard potential has not been designated or is not provided.

Not Available

Dams for which the downstream hazard potential is restricted to approved government users.

Source: National Inventory of Dams

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